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SONOFF SNZB-05P

SONOFF / SNZB-05P

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Does the SONOFF SNZB-05P work with HomeKit, Alexa, and Google Home?

The SNZB-05P needs a Zigbee 3.0 hub or coordinator.

It is a water leak sensor that detects water 0.5 mm deep and supports an extension cable, with a CR2477 battery rated for 5 years. It suits HomeKit users through an integration (a Matter bridge). SmartThings and Home Assistant users reach it through an integration (Zigbee).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Yes[1]
Matter via Bridge, via integration
Google Home
Unknown
Unknown
Alexa
Unknown
Unknown
SmartThings
Yes[2]
Zigbee, via integration
Home Assistant
Yes[2]
Zigbee, via ZHA or Zigbee2MQTT

Key facts

SONOFF SNZB-05P facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[2]
List price$19.90[2] as of
TypeWater leak[2]
PowerCR2477 battery[2]
RadioZigbee 3.0[2]
In Zigbee2MQTT docsYes[3]

Integration paths

How the SONOFF SNZB-05P connects

2 pathsHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter via BridgeA SONOFF Matter bridge, such as the Zigbee Bridge Ultra[1]unknownunknown
ZigbeeHUBA Zigbee 3.0 hub or coordinator[2]Yes[2]unknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the SONOFF SNZB-05P

2 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantVia Zigbee/Z-Wave[3]zigbee2mqttZigbee
  • Works with Home Assistant: Not certified[3]
Model namedNone stated
HomeyOfficial app (local)[4]se.styrahem.sonoff.zigbeeZigbee
  • App: Official[4]
  • Runs on: Homey Pro, Homey Cloud[4]
Model namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Cite this page

SONOFF SNZB-05P. Smart Home Canon. https://smarthomecanon.com/devices/sonoff-snzb-05p. Last checked 2026-10-20.

Sources

  1. [1]
    MFRsonoff.tech / SONOFF Zigbee Bridge Ultra
    Accessed Back to text
  2. [2]
    MFRsonoff.tech / SONOFF store: SONOFF Zigbee Water Leak Sensor | SNZB-05P
    Accessed Back to text
  3. [3]
    DOCzigbee2mqtt.io / Zigbee2MQTT: SONOFF SNZB-05P
    Accessed Back to text
  4. [4]
    DOChomey.app / Homey App Store: Sonoff
    Accessed Back to text